13933491869 has 16 divisors (see below), whose sum is σ = 15537614400. Its totient is φ = 12387173760.

The previous prime is 13933491851. The next prime is 13933491883. The reversal of 13933491869 is 96819433931.

13933491869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13933491869 - 2⁸ = 13933491613 is a prime.

It is a super-2 number, since 2×13933491869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13933491889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140057 + ... + 217905.

It is an arithmetic number, because the mean of its divisors is an integer number (971100900).

Almost surely, 2^13933491869 is an apocalyptic number.

It is an amenable number.

13933491869 is a deficient number, since it is larger than the sum of its proper divisors (1604122531).

13933491869 is a wasteful number, since it uses less digits than its factorization.

13933491869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78220.

The product of its digits is 3779136, while the sum is 56.

The spelling of 13933491869 in words is "thirteen billion, nine hundred thirty-three million, four hundred ninety-one thousand, eight hundred sixty-nine".